The 911MPEXRFE is the most affordable unit in the line-up of handheld X-ray fluorescence (XRF) analyzers designed for fast, accurate results. Easy-to-use and reliable, this Gold Analyzer XRF
Numerous low-grade gold-silver ore deposits throughout the Western United States have been developed in the past few years. Cyanide leaching and carbon adsorption are generally
The importance of ferrous scrap as a resource in the domestic iron and steel industry has increased significantly during the last two decades owing to
The Bureau of Mines and the Nevada Bureau of Mines have investigated hydrometallurgical methods for recovering mercury metal from sulfide concentrates. Most recently, Atkinson investigated
Significant amounts of cobalt, a strategic and critical metal, are present in some secondary sources such as spent copper leach solutions. The United States currently
Cobalt is a critical and strategic metal because of its essential defence related uses and the high degree of U.S. import reliance for its supply.
The Bureau has developed a process using ion exchange to extract cobalt, a strategic and critical metal, from domestic copper leach solutions. These solutions are
A major problem facing the metals industry in the United States and perhaps throughout the world is the disposition of waste oxide dusts generated at
In the previous topic we learned that the economics of mining is particularly related to the amount of ore that can be produced and the
Silicon carbide (SiC) is a synthetic compound which is commercially produced by heating a mixture of metallurgical coke and high-purity silica sand to 2,400° C